A) Nothing, just totally naked
B) What you’re wearing and anything you carry with you (even if you’re not carrying it right now) like a bag
C) What you’re wearing, what you carry with you, and the contents of your home (it will be teleported within a few hundred metres on the surface in an accessible location, but obviously won’t be connected to any services like electricity or water)
I’ve played enough RimWorld to know I wouldn’t be totally ok in any of these scenarios.
All it takes is a random bug bite or infection and home meds just won’t be enough.
spoiler
askldjfals;jflsad;
Randy is in charge, be prepared to die from 1000 cat bites
as long as you’re okay doing a couple hundred warcrimes, you’ll be fine